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Tue, 26 Dec 2023 16:27:38 -0800 (PST) Received: from [2620:0:1008:15:5a8c:89e6:ca2f:ea30] ([2620:0:1008:15:5a8c:89e6:ca2f:ea30]) by smtp.gmail.com with ESMTPSA id l7-20020a170902f68700b001d39af62b1fsm10527546plg.232.2023.12.26.16.27.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Dec 2023 16:27:38 -0800 (PST) Date: Tue, 26 Dec 2023 16:27:37 -0800 (PST) From: David Rientjes To: Pasha Tatashin cc: akpm@linux-foundation.org, alim.akhtar@samsung.com, alyssa@rosenzweig.io, asahi@lists.linux.dev, baolu.lu@linux.intel.com, bhelgaas@google.com, cgroups@vger.kernel.org, corbet@lwn.net, david@redhat.com, dwmw2@infradead.org, hannes@cmpxchg.org, heiko@sntech.de, iommu@lists.linux.dev, jernej.skrabec@gmail.com, jonathanh@nvidia.com, joro@8bytes.org, krzysztof.kozlowski@linaro.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-rockchip@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, lizefan.x@bytedance.com, marcan@marcan.st, mhiramat@kernel.org, m.szyprowski@samsung.com, paulmck@kernel.org, rdunlap@infradead.org, robin.murphy@arm.com, samuel@sholland.org, suravee.suthikulpanit@amd.com, sven@svenpeter.dev, thierry.reding@gmail.com, tj@kernel.org, tomas.mudrunka@gmail.com, vdumpa@nvidia.com, wens@csie.org, will@kernel.org, yu-cheng.yu@intel.com Subject: Re: [PATCH v3 01/10] iommu/vt-d: add wrapper functions for page allocations In-Reply-To: <20231226200205.562565-2-pasha.tatashin@soleen.com> Message-ID: References: <20231226200205.562565-1-pasha.tatashin@soleen.com> <20231226200205.562565-2-pasha.tatashin@soleen.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: DE13240013 X-Stat-Signature: q1tqa4n7xme81yh4gx4rg5edgujite13 X-Rspam-User: X-HE-Tag: 1703636859-311267 X-HE-Meta: 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 8t2182Vw 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000023, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 26 Dec 2023, Pasha Tatashin wrote: > In order to improve observability and accountability of IOMMU layer, we > must account the number of pages that are allocated by functions that > are calling directly into buddy allocator. > > This is achieved by first wrapping the allocation related functions into a > separate inline functions in new file: > > drivers/iommu/iommu-pages.h > > Convert all page allocation calls under iommu/intel to use these new > functions. > > Signed-off-by: Pasha Tatashin Acked-by: David Rientjes